Patent · US Active

Semiconductor device and method of manufacturing the same

US7888809B2 · kind B2 · utility

0Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 22, 2009
Grant dateFeb 15, 2011
Priority date
Expiry dateOct 22, 2029

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2224/49171
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor device including a substrate, a semiconductor chip mounted on the substrate, and an encapsulation resin encapsulating the semiconductor chip, wherein the encapsulation resin contains a first resin region composed of a first resin composition, a second resin region composed of a second resin composition, and a mixed layer formed between the first resin region and the second resin region so as to have the first resin composition and the second resin composition mixed therein is provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.